What are Internal Markets? EU way of disciplining errant members ?
Definitely not EU disciplining errant members and in no way was EU trying to behave like donald trump.
In summary, you (boris johnson pm of UK) signed a contract to commit to something and 8months down the line you say fxked it, I ain’t keeping to the contract. Now the other party (EU) will hold you accountable for penalty. This was the essence of the Internal Market Bill, go google it and find out more.